Season 5 has finished production and will serve as the show's "endgame".
While the main series is ending, the creators have expressed interest in developing potential spin-offs in the future. Outer Banks - Season 10
You may be thinking of the official insider fan guide, Outer Banks: Pogue Life . This book is styled as a scrapbook and includes "deep" lore like secret pages from Big John's journal and insights into local legends. Status of the Series Season 5 has finished production and will serve
The creators always envisioned a five-season journey and have known what the final scene would be from the beginning. Outer Banks - Season 10